JP7062191B2 - 分離膜及びこれを含むリチウム二次電池 - Google Patents

分離膜及びこれを含むリチウム二次電池 Download PDF

Info

Publication number
JP7062191B2
JP7062191B2 JP2020522940A JP2020522940A JP7062191B2 JP 7062191 B2 JP7062191 B2 JP 7062191B2 JP 2020522940 A JP2020522940 A JP 2020522940A JP 2020522940 A JP2020522940 A JP 2020522940A JP 7062191 B2 JP7062191 B2 JP 7062191B2
Authority
JP
Japan
Prior art keywords
secondary battery
lithium secondary
lithium
graphene oxide
separation membrane
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2020522940A
Other languages
English (en)
Japanese (ja)
Other versions
JP2021500714A (ja
Inventor
ジウン・ソン
クォンナム・ソン
ドゥ・キョン・ヤン
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Energy Solution Ltd
Original Assignee
LG Energy Solution Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Energy Solution Ltd filed Critical LG Energy Solution Ltd
Publication of JP2021500714A publication Critical patent/JP2021500714A/ja
Application granted granted Critical
Publication of JP7062191B2 publication Critical patent/JP7062191B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/052Li-accumulators
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/052Li-accumulators
    • H01M10/0525Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/489Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • H01M50/491Porosity
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/38Selection of substances as active materials, active masses, active liquids of elements or alloys
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/38Selection of substances as active materials, active masses, active liquids of elements or alloys
    • H01M4/381Alkaline or alkaline earth metals elements
    • H01M4/382Lithium
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/411Organic material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/411Organic material
    • H01M50/414Synthetic resins, e.g. thermoplastics or thermosetting resins
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/411Organic material
    • H01M50/414Synthetic resins, e.g. thermoplastics or thermosetting resins
    • H01M50/417Polyolefins
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/411Organic material
    • H01M50/414Synthetic resins, e.g. thermoplastics or thermosetting resins
    • H01M50/426Fluorocarbon polymers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/431Inorganic material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/446Composite material consisting of a mixture of organic and inorganic materials
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/449Separators, membranes or diaphragms characterised by the material having a layered structure
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/449Separators, membranes or diaphragms characterised by the material having a layered structure
    • H01M50/451Separators, membranes or diaphragms characterised by the material having a layered structure comprising layers of only organic material and layers containing inorganic material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/449Separators, membranes or diaphragms characterised by the material having a layered structure
    • H01M50/457Separators, membranes or diaphragms characterised by the material having a layered structure comprising three or more layers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/463Separators, membranes or diaphragms characterised by their shape
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/489Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/489Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • H01M50/497Ionic conductivity
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00Batteries for particular applications
    • H01M2220/20Batteries in motive systems, e.g. vehicle, ship, plane
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/403Manufacturing processes of separators, membranes or diaphragms
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Composite Materials (AREA)
  • Cell Separators (AREA)
  • Secondary Cells (AREA)
  • Battery Electrode And Active Subsutance (AREA)
JP2020522940A 2017-10-26 2018-10-08 分離膜及びこれを含むリチウム二次電池 Active JP7062191B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR10-2017-0139968 2017-10-26
KR1020170139968A KR102244909B1 (ko) 2017-10-26 2017-10-26 분리막 및 이를 포함하는 리튬-황 전지
PCT/KR2018/011839 WO2019083194A1 (ko) 2017-10-26 2018-10-08 분리막 및 이를 포함하는 리튬 이차전지

Publications (2)

Publication Number Publication Date
JP2021500714A JP2021500714A (ja) 2021-01-07
JP7062191B2 true JP7062191B2 (ja) 2022-05-06

Family

ID=66247519

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020522940A Active JP7062191B2 (ja) 2017-10-26 2018-10-08 分離膜及びこれを含むリチウム二次電池

Country Status (6)

Country Link
US (1) US11522251B2 (ko)
EP (1) EP3667768A4 (ko)
JP (1) JP7062191B2 (ko)
KR (1) KR102244909B1 (ko)
CN (1) CN111095602B (ko)
WO (1) WO2019083194A1 (ko)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102229449B1 (ko) 2017-10-26 2021-03-17 주식회사 엘지화학 분리막 및 이를 포함하는 리튬-황 전지
KR102415168B1 (ko) * 2019-05-03 2022-07-01 주식회사 엘지에너지솔루션 기능성 분리막, 그 제조 방법 및 이를 포함하는 리튬 이차전지
KR102448077B1 (ko) 2019-05-09 2022-09-27 주식회사 엘지에너지솔루션 기능성 분리막, 그 제조 방법 및 이를 포함하는 리튬 이차전지
WO2020226330A1 (ko) * 2019-05-09 2020-11-12 주식회사 엘지화학 기능성 분리막, 그 제조 방법 및 이를 포함하는 리튬 이차전지
WO2020235971A1 (ko) * 2019-05-23 2020-11-26 주식회사 엘지화학 리튬 이차 전지용 분리막, 이의 제조 방법, 및 이를 포함하는 리튬 이차 전지
KR20200135178A (ko) 2019-05-23 2020-12-02 주식회사 엘지화학 리튬 이차 전지용 분리막, 이의 제조 방법, 및 이를 포함하는 리튬 이차 전지
WO2020242237A1 (ko) * 2019-05-31 2020-12-03 주식회사 엘지화학 레독스 작용기 함유 고분자층이 형성된 탄소, 이를 포함하는 황-탄소 복합체 및 리튬 이차전지
KR20200138058A (ko) 2019-05-31 2020-12-09 주식회사 엘지화학 레독스 작용기 함유 고분자층이 형성된 탄소, 이를 포함하는 황-탄소 복합체 및 리튬 이차전지
CN112713361A (zh) * 2019-10-24 2021-04-27 中国石油化工股份有限公司 复合型锂硫电池隔膜及其制备方法和应用
KR102643234B1 (ko) * 2020-08-19 2024-03-05 서울대학교산학협력단 리튬 금속 음극의 고신뢰성 및 고속충전을 위한 환원된 산화 그래핀 파이버 필름이 부착된 기능성 아라미드 분리막
CN112886140A (zh) * 2021-01-29 2021-06-01 苏州科技大学 锂硫电池改性隔膜及其制备方法和应用
CN113206347A (zh) * 2021-03-25 2021-08-03 惠州锂威电子科技有限公司 一种改性隔膜及其制备方法和应用
CN113725558B (zh) * 2021-07-29 2022-09-13 长沙矿冶研究院有限责任公司 一种锂硫电池改性隔膜及其制备方法
CN113462235B (zh) * 2021-09-06 2022-03-22 北京石墨烯技术研究院有限公司 用于防止锂离子电池热失控的涂料及其制备方法和应用

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015088451A1 (en) 2013-12-09 2015-06-18 Kemijski inštitut Chemically modified reduced graphene oxide as a separator material in sulfur-containing batteries
WO2015115513A1 (ja) 2014-01-30 2015-08-06 帝人株式会社 非水系二次電池用セパレータおよび非水系二次電池
WO2015190432A1 (ja) 2014-06-12 2015-12-17 東レ株式会社 積層体およびその製造方法
JP2016007816A (ja) 2014-06-26 2016-01-18 東レ株式会社 積層多孔性フィルム、蓄電デバイス用セパレータおよび蓄電デバイス
JP2016219411A (ja) 2015-05-15 2016-12-22 三星電子株式会社Samsung Electronics Co.,Ltd. リチウム金属電池
CN107068945A (zh) 2017-04-08 2017-08-18 深圳市佩成科技有限责任公司 一种锂硫电池复合隔膜的制备方法
US20180269453A1 (en) 2017-03-15 2018-09-20 Korea Institute Of Science And Technology Polyethyleneimine-attached carbonaceous material and separator for lithium-sulfur battery coated with the same

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005190736A (ja) 2003-12-24 2005-07-14 Tomoegawa Paper Co Ltd 電子部品用セパレーター
US20130314844A1 (en) 2012-05-23 2013-11-28 Nanyang Technological University Method of preparing reduced graphene oxide foam
EP2984128A1 (en) 2013-04-12 2016-02-17 General Electric Company Ion exchange membranes containing inorganic particles
KR101455943B1 (ko) * 2013-10-17 2014-11-04 한양대학교 산학협력단 이차 전지용 분리막, 그 제조 방법, 및 이를 이용한 이차 전지
KR101645075B1 (ko) * 2014-01-24 2016-08-04 한국과학기술원 그래핀 층과 알루미늄이 코팅된 섬유조직 형태의 중간전극 층이 삽입된 리튬­황 전지 및 그 제조방법
CN103950239B (zh) 2014-04-24 2017-01-18 合肥国轩高科动力能源有限公司 化学电源用多功能复合膜
KR101678817B1 (ko) 2014-12-03 2016-11-24 주식회사 상보 환원 그래핀 옥사이드 제조방법, 그에 따른 환원 그래핀 옥사이드, 이를 이용한 배리어필름 제조방법 및 그에 따른 배리어필름
KR101696625B1 (ko) * 2014-12-23 2017-01-16 주식회사 포스코 전기화학 소자용 세퍼레이터, 이의 제조 방법 및 이를 포함하는 전기화학 소자
US10686207B2 (en) * 2015-07-03 2020-06-16 Semiconductor Energy Laboratory Co., Ltd. Lithium-ion storage battery and electronic device
US20170093001A1 (en) * 2015-09-25 2017-03-30 Samsung Electronics Co., Ltd. Composite electrolyte film, electrochemical cell including the composite electrolyte film, and method of preparing the composite electrolyte film
US20170092975A1 (en) 2015-09-25 2017-03-30 Samsung Electronics Co., Ltd. Composite electrolyte film, electrochemical cell including the composite electrolyte film, and method of preparing the composite electrolyte film
CN105350054B (zh) * 2015-11-25 2017-12-08 哈尔滨工业大学 一种通过电泳沉积实现二次电池隔膜表面用纳米碳材料改性的方法
KR102091773B1 (ko) 2016-06-10 2020-03-20 주식회사 엘지화학 배터리 사이클 카운팅 장치
CN106935771A (zh) * 2017-04-08 2017-07-07 深圳市佩成科技有限责任公司 一种聚丙烯腈/氟化氧化石墨烯/Celgard复合隔膜
KR102229449B1 (ko) * 2017-10-26 2021-03-17 주식회사 엘지화학 분리막 및 이를 포함하는 리튬-황 전지

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015088451A1 (en) 2013-12-09 2015-06-18 Kemijski inštitut Chemically modified reduced graphene oxide as a separator material in sulfur-containing batteries
WO2015115513A1 (ja) 2014-01-30 2015-08-06 帝人株式会社 非水系二次電池用セパレータおよび非水系二次電池
WO2015190432A1 (ja) 2014-06-12 2015-12-17 東レ株式会社 積層体およびその製造方法
JP2016007816A (ja) 2014-06-26 2016-01-18 東レ株式会社 積層多孔性フィルム、蓄電デバイス用セパレータおよび蓄電デバイス
JP2016219411A (ja) 2015-05-15 2016-12-22 三星電子株式会社Samsung Electronics Co.,Ltd. リチウム金属電池
US20180269453A1 (en) 2017-03-15 2018-09-20 Korea Institute Of Science And Technology Polyethyleneimine-attached carbonaceous material and separator for lithium-sulfur battery coated with the same
CN107068945A (zh) 2017-04-08 2017-08-18 深圳市佩成科技有限责任公司 一种锂硫电池复合隔膜的制备方法

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
Wei Lin et al.,Enhanced Performance of Lithium Sulfur Battery with a Reduced Graphene Oxide Coating Separator,Journal of The Electrochemical Society,2015年05月29日,Vol.162,pp.A1624-A1629
Yong Jiang et al.,Inhibiting the shuttle effect of Li-S battery with a graphene oxide coating separator: Performance improvement and mechanism study,Journal of Power Sources,2017年01月10日,Vol.342,pp.929-938
西 美緒,高分子ゲルを電解質とするリチウムイオン二次電池,高分子,2005年,54巻,12月号,pp.870-873

Also Published As

Publication number Publication date
KR20190046315A (ko) 2019-05-07
CN111095602B (zh) 2022-11-15
EP3667768A4 (en) 2020-07-22
WO2019083194A1 (ko) 2019-05-02
EP3667768A1 (en) 2020-06-17
JP2021500714A (ja) 2021-01-07
US20200388809A1 (en) 2020-12-10
US11522251B2 (en) 2022-12-06
CN111095602A (zh) 2020-05-01
KR102244909B1 (ko) 2021-04-26

Similar Documents

Publication Publication Date Title
JP7062191B2 (ja) 分離膜及びこれを含むリチウム二次電池
JP6937901B2 (ja) 分離膜及びこれを含むリチウム二次電池
JP6723571B2 (ja) 分離膜及びこれを含むリチウム−硫黄電池
JP6768242B2 (ja) 分離膜及びこれを含むリチウム−硫黄電池
JP7160910B2 (ja) 分離膜及びそれを含むリチウム-硫黄電池
KR102567960B1 (ko) 리튬-황 전지용 분리막 및 이를 포함하는 리튬-황 전지
KR20200069479A (ko) 분리막 및 이를 포함하는 리튬 이차전지

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20200423

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20210423

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20210510

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20210810

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20210830

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20211125

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20211213

A711 Notification of change in applicant

Free format text: JAPANESE INTERMEDIATE CODE: A712

Effective date: 20211227

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20211228

R150 Certificate of patent or registration of utility model

Ref document number: 7062191

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150